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JP4337742B2 - Antenna device - Google Patents

Antenna device Download PDF

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Publication number
JP4337742B2
JP4337742B2 JP2005018437A JP2005018437A JP4337742B2 JP 4337742 B2 JP4337742 B2 JP 4337742B2 JP 2005018437 A JP2005018437 A JP 2005018437A JP 2005018437 A JP2005018437 A JP 2005018437A JP 4337742 B2 JP4337742 B2 JP 4337742B2
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JP
Japan
Prior art keywords
elastic member
antenna
case
wire
ferrite rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
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JP2005018437A
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Japanese (ja)
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JP2006211121A (en
Inventor
清一 家田
和良 森
栄司 虫明
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Aisin Corp
Original Assignee
Aisin Seiki Co Ltd
Aisin Corp
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Filing date
Publication date
Application filed by Aisin Seiki Co Ltd, Aisin Corp filed Critical Aisin Seiki Co Ltd
Priority to JP2005018437A priority Critical patent/JP4337742B2/en
Priority to US11/331,009 priority patent/US7307593B2/en
Priority to DE602006008050T priority patent/DE602006008050D1/en
Priority to EP06100530A priority patent/EP1686652B1/en
Priority to CNU2006200024399U priority patent/CN2867627Y/en
Publication of JP2006211121A publication Critical patent/JP2006211121A/en
Application granted granted Critical
Publication of JP4337742B2 publication Critical patent/JP4337742B2/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/27—Adaptation for use in or on movable bodies
    • H01Q1/32—Adaptation for use in or on road or rail vehicles
    • H01Q1/3208—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used
    • H01Q1/3233—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems
    • H01Q1/3241—Adaptation for use in or on road or rail vehicles characterised by the application wherein the antenna is used particular used as part of a sensor or in a security system, e.g. for automotive radar, navigation systems particular used in keyless entry systems
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00—Details of, or arrangements associated with, antennas
    • H01Q1/12—Supports; Mounting means
    • H01Q1/20—Resilient mountings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01Q—ANTENNAS, i.e. RADIO AERIALS
    • H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
    • H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
    • H01Q7/08—Ferrite rod or like elongated core

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Support Of Aerials (AREA)
  • Details Of Aerials (AREA)

Description

本発明は、アンテナ装置に関する。   The present invention relates to an antenna device.

車両において、いわゆるスマートエントリーシステムを構築する場合、車両のオーナーの所有する電子キーとの間で通信を行うためのアンテナが設けられる。このようなアンテナとして、後述の特許文献１に記載のものが公知となっている。   When a so-called smart entry system is constructed in a vehicle, an antenna for performing communication with an electronic key owned by the vehicle owner is provided. As such an antenna, an antenna described in Patent Document 1 described below is known.

このアンテナは、フェライトと、導電線とを備えている。アンテナは、導電線がフェライトにコイル状に巻かれて成り、樹脂製のケースに収容されている。ケースには、アンテナの保持ならびに防水を行うべく、ポッティング材（樹脂）が注入されている。
特開２００１−３４５６１５号公報 This antenna includes a ferrite and a conductive wire. The antenna is formed by winding a conductive wire around a ferrite in a coil shape, and is housed in a resin case. A potting material (resin) is injected into the case for holding the antenna and waterproofing.
JP 2001-345615 A

一般に、フェライトは、機械的な強度が低く、割れやすい。したがって、フェライトを用いたアンテナは、耐振性、耐衝撃性を備える必要がある。上述の特許文献１に記載のアンテナにおいては、ケースに注入されたポッティング材により、フェライトが振動や衝撃から守られている。   Generally, ferrite has low mechanical strength and is easily cracked. Therefore, an antenna using ferrite needs to have vibration resistance and impact resistance. In the antenna described in Patent Document 1 described above, the ferrite is protected from vibration and impact by the potting material injected into the case.

ところが、ポッティング材は、その硬化にある程度の時間を必要とする。つまり、アンテナをケースに収容し、ケースに保持するまでの一連の組み立て作業においては、ポッティング材が硬化するまでの待ち時間（作業の行われない時間）が発生することとなり、生産性（組み立て性）の観点から考えると、改善の余地があった。   However, the potting material requires a certain amount of time for curing. In other words, in a series of assembly work until the antenna is housed in the case and held in the case, a waiting time (the time during which the work is not performed) until the potting material is cured occurs, and productivity (assembly property) ), There was room for improvement.

よって、本発明は上記の問題点に鑑みてなされたものであり、アンテナの組み立て作業に係る工数を低減することを課題とする。   Therefore, the present invention has been made in view of the above problems, and an object of the present invention is to reduce the number of man-hours related to antenna assembly work.

上記課題を解決するために、本発明にて講じた技術的手段は、請求項１に記載の様に、フェライト棒と、所定の長さの導出部を残して前記フェライト棒にコイル状に巻かれるワイヤと、該ワイヤが巻かれたフェライト棒を保持すると共に、車両のボディパネルに固定されるケースと、を備えるアンテナ装置において、有底の筒形状である弾性部材を前記フェライト棒の両端に嵌合し、前記ケースは前記弾性部材を介してフェライト棒を保持すると共に、前記ケースに予め設けられ、前記ワイヤの導出部を保持する保持部と、前記弾性部材に予め設けられ、楔形状を成す嵌合部と、前記弾性部材に予め設けられ、前記嵌合部に連続するように形成される取っ手部と、前記ケースに設けられ、前記嵌合部に嵌合される取り付け孔と、を更に備え、前記取り付け孔に前記取っ手部を通した後、該取っ手部を引っ張って前記嵌合部を前記取り付け孔に嵌合することで、前記弾性部材が前記ケースに対して固定される構成としたことである。 In order to solve the above problems, the technical means taken in the present invention is, as described in claim 1, wound around the ferrite rod in a coil shape, leaving a ferrite rod and a lead-out portion having a predetermined length. An antenna device comprising: a wire to be wound; and a case fixed to a body panel of a vehicle while holding a ferrite rod around which the wire is wound, and an elastic member having a bottomed cylindrical shape at both ends of the ferrite rod The case holds the ferrite rod via the elastic member, and is provided in advance in the case, a holding portion for holding the lead-out portion of the wire, and provided in advance in the elastic member, and has a wedge shape. A fitting portion formed in advance, a handle portion provided in advance in the elastic member and formed to be continuous with the fitting portion, and a mounting hole provided in the case and fitted into the fitting portion. In addition, After passing the handle to the serial mounting hole, by fitting the fitting portion into the mounting hole by pulling the handle portion, that said resilient member is configured to be fixed to the casing is there.

請求項１に記載の発明によれば、弾性部材を介してケースがフェライト棒を保持する。この構造においては、弾性部材により、車両のボディパネルからフェライト棒へと伝達される衝撃や振動が緩和される。また、弾性部材は組み付け時に固体であるので、ポッティング材（樹脂）を用いた保持構造にて発生し、アンテナの組み立て作業に係る工数の一部分を占めていた樹脂の硬化時間（待ち時間）がなくなる。これにより、フェライト棒をケースに対してより短時間で保持でき、アンテナの組み立て作業に係る工数を低減できる。   According to the first aspect of the present invention, the case holds the ferrite rod through the elastic member. In this structure, the elastic member reduces the shock and vibration transmitted from the vehicle body panel to the ferrite rod. Further, since the elastic member is solid when assembled, it occurs in the holding structure using the potting material (resin), and the resin curing time (waiting time) that occupies a part of the man-hour related to the assembly work of the antenna is eliminated. . Thereby, a ferrite rod can be held to a case in a shorter time, and the man-hour concerning the assembly work of an antenna can be reduced.

さらに、請求項１に記載の発明によれば、ケースに予め設けられた保持部により、フェライト棒に巻かれたワイヤの導出部が保持される。これにより、フェライト棒に巻かれたワイヤがほどけにくくなるので、アンテナの組み立てを効率よく行うことができ、アンテナの組み立て性が向上する。 Further, according to the invention described in claim 1, the holding portion provided in advance on the case, lead portion of the wire wound on a ferrite rod is held. Thereby, since the wire wound around the ferrite rod becomes difficult to unwind, the antenna can be assembled efficiently, and the assembly of the antenna is improved.

さらに、請求項１に記載の発明によれば、弾性部材には、嵌合部と取っ手部とが予め設けられ、ケースには、嵌合部に嵌合される取り付け孔が設けられる。そして、取り付け孔に取っ手部を通した後、取っ手部を引っ張って嵌合部を取り付け孔に嵌合することで、弾性部材がケースに対して固定される。この構造においては、弾性部材とケースとがいわゆるスナップ・フィット構造により固定されるので、弾性部材をケースに対して固定する際に、別個に部品を設ける必要がない。これにより、アンテナにおける部品点数が低減される。 Further, according to the first aspect of the present invention, the elastic member is provided with the fitting portion and the handle portion in advance, and the case is provided with the mounting hole to be fitted into the fitting portion. Then, after passing the handle portion through the attachment hole, the elastic member is fixed to the case by pulling the handle portion and fitting the fitting portion into the attachment hole. In this structure, since the elastic member and the case are fixed by a so-called snap-fit structure, it is not necessary to separately provide components when fixing the elastic member to the case. Thereby, the number of parts in an antenna is reduced.

以下、本発明を実施するための最良の形態を、図面を基に説明する。   The best mode for carrying out the present invention will be described below with reference to the drawings.

図１は、本発明に係るラゲージアンテナ１０（アンテナ装置）の外観を示す正面図、図２は、ラゲージアンテナ１０の外観を示す上面図、図３は、図２におけるＡ−Ａ線に沿う断面図である。   1 is a front view showing the appearance of a luggage antenna 10 (antenna apparatus) according to the present invention, FIG. 2 is a top view showing the appearance of the luggage antenna 10, and FIG. 3 is a cross section taken along the line AA in FIG. FIG.

ラゲージアンテナ１０は、スマートエントリーシステムを構築する一部品で、ラゲージスペースを覆うバックドアやトランクリッド等の開閉体（図示なし）を、メカニカルキー操作や既存のリモコンキーのボタン操作を行うことなく施解錠するためのものである。ラゲージアンテナ１０は、車両のラゲージスペースの近傍に設けられる。   The luggage antenna 10 is a part of a smart entry system that can be used to open and close open doors and trunk lids (not shown) that cover the luggage space without operating mechanical keys or operating buttons on existing remote control keys. It is for locking. The luggage antenna 10 is provided in the vicinity of the luggage space of the vehicle.

開閉体が施錠されている状態で、電子キーを持ったユーザが、開閉体の近傍に設けられたスイッチ（図示なし）を押すと、ラゲッジアンテナ１０を介して、車両から電子キーに電波が発信される。これを受けて、電子キーと車両との間でＩＤコードが照合され、これらＩＤコードが一致した場合には、開閉体が解錠される構造となっている。   When the user holding the electronic key presses a switch (not shown) provided in the vicinity of the opening / closing body with the opening / closing body locked, a radio wave is transmitted from the vehicle to the electronic key via the luggage antenna 10. Is done. In response to this, the ID code is collated between the electronic key and the vehicle, and when these ID codes match, the opening / closing body is unlocked.

ラゲージアンテナ１０は、バーアンテナ１１と、ケース２０とを備えている。   The luggage antenna 10 includes a bar antenna 11 and a case 20.

バーアンテナ１１は、車両のユーザが持つ電子キーと車両との間で通信を行うためのものである。ケース２０は、弾性部材３０を介してバーアンテナ１１を保持すると共に、車両のバンパーカバー内のボディパネル９に固定されている。以下、これら部材の構造について、図４乃至図７を参照して説明する。   The bar antenna 11 is used for communication between an electronic key held by a user of the vehicle and the vehicle. The case 20 holds the bar antenna 11 via the elastic member 30 and is fixed to the body panel 9 in the bumper cover of the vehicle. Hereinafter, the structure of these members will be described with reference to FIGS.

バーアンテナ１１は、アンテナコア１２と、ワイヤ１３とを備えている。   The bar antenna 11 includes an antenna core 12 and a wire 13.

アンテナコア１２（フェライト棒）は、フェライトで形成され、棒状を成している。ワイヤ１３（被覆ワイヤ）は、銅線をより合わせた心線と、この心線を同軸に被覆する絶縁体の被覆材とで形成されている。ワイヤ１３は、アンテナコア１２にコイル状に巻かれている。この構造において、アンテナコア１２に対するワイヤ１３の巻き始め側及び巻き終わり側には、所定の長さを有する導出部１４が設けられている。   The antenna core 12 (ferrite rod) is made of ferrite and has a rod shape. The wire 13 (covered wire) is formed of a core wire obtained by twisting copper wires and an insulating covering material that covers the core wire coaxially. The wire 13 is wound around the antenna core 12 in a coil shape. In this structure, lead-out portions 14 having a predetermined length are provided on the winding start side and winding end side of the wire 13 with respect to the antenna core 12.

ケース２０は、本体２１と、カバー２２とを備えている。   The case 20 includes a main body 21 and a cover 22.

本体２１は、樹脂で形成され、大まかには長形状を成している。本体２１には、収容部２１ａと、固定部２１ｂとが形成されている。収容部２１ａは、本体２１の厚み方向（図５（ａ）示Ｔ方向）に関して凹状を成している。固定部２１ｂは、本体２１の長手方向（図５（ａ）示Ｌ方向）の各側に設けられている。本体２１は、この固定部２１ｂにて、ボルト等の締結部材（図示なし）を用いて車両のボディパネル９（図３参照）に固定される。   The main body 21 is made of resin and has a long shape roughly. The main body 21 is formed with an accommodating portion 21a and a fixing portion 21b. The accommodating portion 21a has a concave shape with respect to the thickness direction of the main body 21 (the T direction shown in FIG. 5A). The fixing portion 21b is provided on each side of the main body 21 in the longitudinal direction (the L direction shown in FIG. 5A). The main body 21 is fixed to the body panel 9 (see FIG. 3) of the vehicle using a fastening member (not shown) such as a bolt at the fixing portion 21b.

カバー２２は、本体２１と同様に樹脂で形成され、大まかには細長の板形状を成している。カバー２２は、本体２１に嵌合される。なお、カバー２２と本体２１とは、本体２１の厚み方向がカバー２２の厚み方向（図６（ａ）示Ｔ方向）に、本体２１の長手方向がカバー２２の長手方向（図６（ａ）示Ｌ方向）にそれぞれ一致するように嵌合される。   The cover 22 is formed of a resin like the main body 21 and has a roughly elongated plate shape. The cover 22 is fitted to the main body 21. The cover 22 and the main body 21 have a thickness direction of the main body 21 in the thickness direction of the cover 22 (T direction in FIG. 6A) and a longitudinal direction of the main body 21 in the longitudinal direction of the cover 22 (FIG. 6A). (L direction shown in the figure).

カバー２２には、対向壁部２２ａ、２２ｂと、保持部２２ｃと、取り付け孔２２ｄとが形成されている。   The cover 22 is formed with opposing wall portions 22a and 22b, a holding portion 22c, and an attachment hole 22d.

対向壁部２２ａ、２２ｂは、カバー２２の幅方向（図６（ｂ）示Ｗ方向）の各側に設けられ、互いに対向している。対向壁部２２ａ、２２ｂは、カバー２２の厚み方向に延在している。上述のバーアンテナ１１は、これら対向壁部２２ａ、２２ｂ間にて保持される。   The opposing wall portions 22a and 22b are provided on each side of the cover 22 in the width direction (W direction shown in FIG. 6B) and face each other. The opposing wall portions 22 a and 22 b extend in the thickness direction of the cover 22. The bar antenna 11 described above is held between the opposing wall portions 22a and 22b.

保持部２２ｃは、カバー２２の幅方向に関して、対向壁部２２ａに隣接して設けられている。保持部２２ｃは、カバー２２の厚み方向に関して溝状を成している。上述したバーアンテナ１１におけるワイヤ１３の導出部１４は、この溝状の保持部２２ｃ内に収容される。これにより、ワイヤ１３の導出部１４が、カバー２２に対して保持される。   The holding portion 22 c is provided adjacent to the facing wall portion 22 a in the width direction of the cover 22. The holding portion 22 c has a groove shape in the thickness direction of the cover 22. The lead-out portion 14 of the wire 13 in the bar antenna 11 described above is accommodated in the groove-shaped holding portion 22c. As a result, the lead-out portion 14 of the wire 13 is held against the cover 22.

取り付け孔２２ｄは、カバー２２の長手方向の各側に設けられている。取り付け孔２２ｄは、カバー２２をその厚み方向に貫通している。取り付け孔２２ｄには、弾性部材３０が嵌合される。以下、弾性部材３０の構造について、図７を参照して説明する。   The attachment holes 22d are provided on each side of the cover 22 in the longitudinal direction. The attachment hole 22d penetrates the cover 22 in the thickness direction. The elastic member 30 is fitted into the mounting hole 22d. Hereinafter, the structure of the elastic member 30 will be described with reference to FIG.

弾性部材３０は、ゴムやエラストマー等の弾性体で形成され、大まかには有底の角筒形状を成している。弾性部材３０は、嵌合部３１と、取り付け部３２とを備えている。   The elastic member 30 is formed of an elastic body such as rubber or elastomer, and roughly has a bottomed rectangular tube shape. The elastic member 30 includes a fitting part 31 and an attachment part 32.

嵌合部３１は、弾性部材３０の左右方向（図７（ａ）示左右方向）に関して凹状を成している。嵌合部３１には、上述したバーアンテナ１１のアンテナコア１２が嵌合により組み付けられる。なお、嵌合部３１の内面には、突起部３１ａが形成されている。バーアンテナ１１のアンテナコア１２が嵌合部３１に嵌合される場合、この突起部３１ａがアンテナコア１２に圧接する。つまり、アンテナコア１２は、嵌合部３１に圧入される。   The fitting portion 31 has a concave shape with respect to the left-right direction of the elastic member 30 (the left-right direction shown in FIG. 7A). The antenna core 12 of the bar antenna 11 described above is assembled to the fitting portion 31 by fitting. A protrusion 31 a is formed on the inner surface of the fitting portion 31. When the antenna core 12 of the bar antenna 11 is fitted into the fitting portion 31, the protruding portion 31 a is pressed against the antenna core 12. That is, the antenna core 12 is press-fitted into the fitting portion 31.

取り付け部３２は、嵌合部３１に一体に形成され、弾性部材３０の上下方向（図７（ａ）示上下方向）に延在している。この取り付け部３２にて、弾性部材３０は、カバー２２の取り付け孔２２ｄに嵌合される。   The attachment portion 32 is formed integrally with the fitting portion 31 and extends in the vertical direction of the elastic member 30 (the vertical direction shown in FIG. 7A). The elastic member 30 is fitted into the mounting hole 22 d of the cover 22 at the mounting portion 32.

取り付け部３２には、嵌合部３１に近い側から順に、楔部３３と、取っ手部３４とが設けられている。   The attachment portion 32 is provided with a wedge portion 33 and a handle portion 34 in order from the side close to the fitting portion 31.

楔部３３（嵌合部）は、弾性部材３０の下方向（図７（ａ）示下方向）に先細りとなるように形成され、大まかには楔形状を成している。カバー２２の取り付け孔２２ｄに弾性部材３０が嵌合される場合、楔部３３は、カバー２２の取り付け孔２２ｄに嵌合される。  The wedge portion 33 (fitting portion) is formed so as to taper downward in the downward direction of the elastic member 30 (the downward direction shown in FIG. 7A), and roughly forms a wedge shape. When the elastic member 30 is fitted into the mounting hole 22 d of the cover 22, the wedge portion 33 is fitted into the mounting hole 22 d of the cover 22.

取っ手部３４は、楔部３３の先端に連続するように形成され、大まかにはピン形状を成している。カバー２２の取り付け孔２２ｄに弾性部材３０が嵌合される場合、取っ手部３４は、楔部３３よりも先に、カバー２２の取り付け孔２２ｄに挿通される。   The handle part 34 is formed so as to be continuous with the tip of the wedge part 33 and has a pin shape roughly. When the elastic member 30 is fitted into the attachment hole 22 d of the cover 22, the handle portion 34 is inserted into the attachment hole 22 d of the cover 22 before the wedge portion 33.

次に、ラゲージアンテナ１０の組み立て作業の態様について、図８乃至図１０を参照して説明する。図８乃至図１０は、ラゲージアンテナ１０の組み立て作業の態様を模式的に示す図である。   Next, the manner of assembling the luggage antenna 10 will be described with reference to FIGS. FIGS. 8 to 10 are diagrams schematically showing an aspect of the assembly work of the luggage antenna 10.

まず、図８（ａ）に示す様に、バーアンテナ１１におけるアンテナコア１２の両端に、弾性部材３０をそれぞれ嵌合する。   First, as shown in FIG. 8A, the elastic members 30 are respectively fitted to both ends of the antenna core 12 in the bar antenna 11.

次に、図８（ｂ）に示す様に、弾性部材３０の取っ手部３４を、カバー２２に形成された取り付け孔２２ｄに挿通した状態とする。この状態で、カバー２２の取り付け孔２２ｄに挿通された取っ手部３４を図中の矢示Ｆ方向に引っ張ると、弾性部材３０の楔部３３が弾性変形を伴いながら取り付け孔２２ｄに挿入され、最終的に、弾性部材３０の楔部３３が取り付け孔２２ｄに嵌合される。続いて、バーアンテナ１１におけるワイヤ１３の導出部１４を、カバー２２に形成された溝状の保持部２２ｃ内（図６参照）に収容する。この時点で、図８（ｃ）、図９、及び図１０に示す様に、弾性部材３０がカバー２２に対して固定されると共に、ワイヤ１３の導出部１４がカバー２２に対して保持される。なお、図９は、図８（ｃ）におけるＧ方向矢視図、図１０は、図９におけるＨ示部分の拡大図である。   Next, as shown in FIG. 8B, the handle portion 34 of the elastic member 30 is inserted into the attachment hole 22 d formed in the cover 22. In this state, when the handle portion 34 inserted through the attachment hole 22d of the cover 22 is pulled in the direction indicated by the arrow F in the figure, the wedge portion 33 of the elastic member 30 is inserted into the attachment hole 22d while being elastically deformed. In particular, the wedge portion 33 of the elastic member 30 is fitted into the attachment hole 22d. Subsequently, the lead-out portion 14 of the wire 13 in the bar antenna 11 is accommodated in a groove-shaped holding portion 22c formed in the cover 22 (see FIG. 6). At this time, as shown in FIGS. 8C, 9, and 10, the elastic member 30 is fixed to the cover 22 and the lead-out portion 14 of the wire 13 is held to the cover 22. . 9 is a view in the direction of the arrow G in FIG. 8C, and FIG. 10 is an enlarged view of a portion indicated by H in FIG.

そして、テープ、保護チューブ、及びコネクタ（図示なし）をワイヤ１３の導出部１４における残りの部分に組み付けた後、カバー２２を本体２１に嵌合することで、バーアンテナ１１が本体２１の収容部２１ａ内に収容される。これにより、バーアンテナ１１が弾性部材３０を介してケース２０に保持され、ラゲージアンテナ１０の組み立て作業が完了する。なお、バーアンテナ１１が本体２１の収容部２１ａ内に収容された状態において、バーアンテナ１１のアンテナコア１２に嵌合された弾性部材３０は、収容部２１ａの内面に圧接する。つまり、弾性部材３０は、本体２１の収容部２１ａに圧入される構造となっている。   Then, after assembling the tape, the protective tube, and the connector (not shown) to the remaining portion of the lead-out portion 14 of the wire 13, the cover 22 is fitted into the main body 21, whereby the bar antenna 11 is accommodated in the housing portion of the main body 21 21a. Thereby, the bar antenna 11 is held by the case 20 via the elastic member 30, and the assembly operation of the luggage antenna 10 is completed. In the state where the bar antenna 11 is accommodated in the accommodating portion 21a of the main body 21, the elastic member 30 fitted to the antenna core 12 of the bar antenna 11 is in pressure contact with the inner surface of the accommodating portion 21a. That is, the elastic member 30 has a structure that is press-fitted into the housing portion 21 a of the main body 21.

なお、以上の説明においては、カバー２２に形成された保持部２２ｃが溝状を成す例を示したがこれに限定されない。例えば、保持部２２ｃが、ワイヤ１３の導出部１４をカバー２２に対して保持し得る様な爪形状を成す構造であっても良い。   In the above description, an example in which the holding portion 22c formed on the cover 22 has a groove shape is shown, but the present invention is not limited to this. For example, the holding portion 22c may have a claw shape that can hold the lead-out portion 14 of the wire 13 against the cover 22.

以上説明した様に、本発明のラゲージアンテナ１０によれば、弾性部材３０を介してケース２０がバーアンテナ１１を保持する。この構造においては、弾性部材３０により、車両のボディパネル９からバーアンテナ１１のアンテナコア１２へと伝達される衝撃や振動が緩和される。また、弾性部材３０はゴムやエラストマー等の弾性体で形成される、つまり、アンテナコア１２への組み付け時に固体であるので、ポッティング材（樹脂）を用いてバーアンテナ１１を保持する場合には必ず発生してしまう樹脂の硬化時間（待ち時間）がなくなる。これにより、バーアンテナ１１をケース２０に対してより短時間で保持でき、ラゲージアンテナ１０の組み立て作業に係る工数を低減できる。   As described above, according to the luggage antenna 10 of the present invention, the case 20 holds the bar antenna 11 via the elastic member 30. In this structure, the elastic member 30 reduces the impact and vibration transmitted from the vehicle body panel 9 to the antenna core 12 of the bar antenna 11. Further, since the elastic member 30 is formed of an elastic body such as rubber or elastomer, that is, it is solid when assembled to the antenna core 12, it is always necessary to hold the bar antenna 11 using a potting material (resin). The resin curing time (waiting time) that occurs is eliminated. Thereby, the bar antenna 11 can be held with respect to the case 20 in a shorter time, and the man-hour concerning the assembly work of the luggage antenna 10 can be reduced.

さらに、本発明によれば、ケース２０に予め設けられた溝状の保持部２２ｃにより、バーアンテナ１１のアンテナコア１２に巻かれたワイヤ１３の導出部１４が保持される。これにより、アンテナコア１２に巻かれたワイヤ１３がほどけにくくなるので、ラゲージアンテナ１０の組み立てを効率よく行うことができ、ラゲージアンテナ１０の組み立て性が向上する。   Furthermore, according to the present invention, the lead-out portion 14 of the wire 13 wound around the antenna core 12 of the bar antenna 11 is held by the groove-shaped holding portion 22c provided in the case 20 in advance. Thereby, since the wire 13 wound around the antenna core 12 becomes difficult to unwind, the assembly of the luggage antenna 10 can be performed efficiently, and the assemblability of the luggage antenna 10 is improved.

さらに、本発明によれば、弾性部材３０には、楔部３３と取っ手部３４とが予め設けられ、ケース２０には、楔部３３に嵌合される取り付け孔２２ｄが設けられる。そして、取り付け孔２２ｄに取っ手部３４を通した後、取っ手部３４を引っ張って楔部３３を取り付け孔２２ｄに嵌合することで、弾性部材３０がケース２０に対して固定される。この構造においては、弾性部材３０とケース２０とがいわゆるスナップ・フィット構造により固定されるので、弾性部材３０をケース２０に対して固定する際に、別個に部品を設ける必要がない。これにより、ラゲージアンテナ１０における部品点数が低減される。   Further, according to the present invention, the elastic member 30 is provided with the wedge portion 33 and the handle portion 34 in advance, and the case 20 is provided with the attachment hole 22d fitted to the wedge portion 33. Then, after passing the handle portion 34 through the attachment hole 22d, the elastic member 30 is fixed to the case 20 by pulling the handle portion 34 and fitting the wedge portion 33 into the attachment hole 22d. In this structure, since the elastic member 30 and the case 20 are fixed by a so-called snap-fit structure, it is not necessary to separately provide components when the elastic member 30 is fixed to the case 20. Thereby, the number of parts in the luggage antenna 10 is reduced.

本発明に係るラゲージアンテナ１０の外観を示す正面図。The front view which shows the external appearance of the luggage antenna 10 which concerns on this invention. ラゲージアンテナ１０の外観を示す上面図。FIG. 2 is a top view showing the appearance of the luggage antenna 10. 図２におけるＡ−Ａ線に沿う断面図。Sectional drawing which follows the AA line in FIG. バーアンテナ１１の構造を示す図。The figure which shows the structure of the bar antenna 11. FIG. ケース２０の本体２１の構造を示す図で、（ａ）は本体２１の正面図、（ｂ）は（ａ）におけるＢ−Ｂ線に沿う断面図。It is a figure which shows the structure of the main body 21 of the case 20, (a) is a front view of the main body 21, (b) is sectional drawing which follows the BB line in (a). ケース２０のカバー２２の構造を示す図で、（ａ）はカバー２２の正面図、（ｂ）はカバー２２の上面図、（ｃ）は（ｂ）におけるＣ−Ｃ線に沿う断面図。It is a figure which shows the structure of the cover 22 of case 20, (a) is a front view of the cover 22, (b) is a top view of the cover 22, (c) is sectional drawing which follows the CC line in (b). 弾性部材３０の構造を示す図で、（ａ）は弾性部材３０の正面図、（ｂ）は（ａ）におけるＤ方向矢視図、（ｃ）は（ａ）におけるＥ−Ｅ線に沿う断面図。It is a figure which shows the structure of the elastic member 30, (a) is a front view of the elastic member 30, (b) is a D direction arrow line view in (a), (c) is a cross section which follows the EE line in (a). Figure. ラゲージアンテナ１０の組み立て作業の態様を模式的に示す図。The figure which shows the aspect of the assembly operation | work of the luggage antenna 10 typically. 図８（ｃ）におけるＧ方向矢視図。G direction arrow directional view in FIG.8 (c). 図９におけるＨ示部分の拡大図。FIG. 10 is an enlarged view of a portion indicated by H in FIG. 9.

符号の説明Explanation of symbols

９ ボディパネル
１０ ラゲージアンテナ（アンテナ装置）
１２ アンテナコア（フェライト棒）
１３ ワイヤ
１４ 導出部
２０ ケース
２２ｃ 保持部
２２ｄ 取り付け孔
３０ 弾性部材
３３ 楔部（嵌合部）
３４ 取っ手部 9 Body panel 10 Luggage antenna (antenna device)
12 Antenna core (ferrite rod)
13 Wire 14 Lead-out part 20 Case 22c Holding part 22d Mounting hole 30 Elastic member 33 Wedge part (fitting part)
34 Handle part

Claims (3)

フェライト棒と、
所定の長さの導出部を残して前記フェライト棒にコイル状に巻かれるワイヤと、
該ワイヤが巻かれたフェライト棒を保持すると共に、車両のボディパネルに固定される
ケースと、
を備えるアンテナ装置において、
有底の筒形状である弾性部材を前記フェライト棒の両端に嵌合し、前記ケースは前記弾性部材を介してフェライト棒を保持すると共に、
前記ケースに予め設けられ、前記ワイヤの導出部を保持する保持部と、
前記弾性部材に予め設けられ、楔形状を成す嵌合部と、
前記弾性部材に予め設けられ、前記嵌合部に連続するように形成される取っ手部と、
前記ケースに設けられ、前記嵌合部に嵌合される取り付け孔と、
を更に備え、
前記取り付け孔に前記取っ手部を通した後、該取っ手部を引っ張って前記嵌合部を前記
取り付け孔に嵌合することで、前記弾性部材が前記ケースに対して固定されることを特徴とするアンテナ装置。 A ferrite rod,
A wire wound in a coil around the ferrite rod, leaving a lead-out portion of a predetermined length;
A case for holding the ferrite rod wound with the wire and being fixed to a vehicle body panel;
In an antenna device comprising:
An elastic member having a bottomed cylindrical shape is fitted to both ends of the ferrite rod, and the case holds the ferrite rod through the elastic member ,
A holding part that is provided in advance in the case and holds the lead-out part of the wire;
A fitting portion provided in advance in the elastic member and forming a wedge shape;
A handle portion provided in advance on the elastic member and formed to be continuous with the fitting portion;
A mounting hole provided in the case and fitted into the fitting portion;
Further comprising
After passing the handle portion through the attachment hole, the handle portion is pulled to pull the fitting portion
The antenna device , wherein the elastic member is fixed to the case by being fitted into a mounting hole . 前記ケースは前記フェライト棒を収容する収容部を備え、前記弾性部材は前記収容部の内面に圧接されていることを特徴とする請求項１に記載のアンテナ装置。 The antenna device according to claim 1, wherein the case includes a housing portion that houses the ferrite rod, and the elastic member is in pressure contact with an inner surface of the housing portion. 前記弾性部材を嵌合する前記フェライト棒の部位には前記ワイヤが巻かれていないことを特徴とする請求項１または２に記載のアンテナ装置。 The antenna device according to claim 1, wherein the wire is not wound around a portion of the ferrite rod into which the elastic member is fitted.
JP2005018437A 2005-01-26 2005-01-26 Antenna device Expired - Fee Related JP4337742B2 (en)

Priority Applications (5)

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JP2005018437A JP4337742B2 (en) 2005-01-26 2005-01-26 Antenna device
US11/331,009 US7307593B2 (en) 2005-01-26 2006-01-13 Antenna device
DE602006008050T DE602006008050D1 (en) 2005-01-26 2006-01-18 antenna array
EP06100530A EP1686652B1 (en) 2005-01-26 2006-01-18 Antenna device
CNU2006200024399U CN2867627Y (en) 2005-01-26 2006-01-18 Antenna device

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Publication number Publication date
CN2867627Y (en) 2007-02-07
US20060164311A1 (en) 2006-07-27
EP1686652A1 (en) 2006-08-02
JP2006211121A (en) 2006-08-10
DE602006008050D1 (en) 2009-09-10
EP1686652B1 (en) 2009-07-29
US7307593B2 (en) 2007-12-11

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